Given that y = 18 + 3x²
i) express x in terms of y

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2

△def is similar to △stu. write a proportion that contains st and su.

At a little-known vacation spot, taxi fares are a bargain. a 49-mile taxi ride takes 63 minutes and costs $44.10. you want to find the cost of a 37-minute taxi ride. what unit price do you need?